Alteration of Diffusion-Tensor Magnetic Resonance Imaging Measures in Brain Regions Involved in Early Stages of Parkinson's Disease. - Nan-kuei Chen; Ying-Hui Chou; Mark H. Sundman; Patrick Hickey; Willard S. Kasoff; Adam Bernstein; Theodore P. Trouard; Tanya Lin; Steven Z. Rapcsak; Scott J. Sherman; Carol P. Weingarten (Brain Connect., 2018)